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Finding the Fourth Proportional to 634,567.50, 875,687.13 and 362,618.10

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Solution

The fourth proportional to 634,567.50, 875,687.13 and 362,618.10 is: 500,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,567.50 : 875,687.13 = 362,618.10 : x
  2. Step 2: Convert to fraction form
    634,567.50/875,687.13 = 362,618.10/x
  3. Step 3: Cross multiply
    634,567.50x = 875,687.13 × 362,618.10
  4. Step 4: Simplify right side
    634,567.50x = 317,540,003,275.05
  5. Step 5: Solve for x
    x = 317,540,003,275.05/634,567.50
  6. Step 6: Final answer
    x = 500,403.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.